WebOct 29, 2013 · We introduce a simple protocol for adaptive quantum state tomography, which reduces the worst-case infidelity [ 1−F (ˆρ,ρ)] between the estimate and the true state from O(1/√N) to O(1/N). It uses a single adaptation step and … WebJul 29, 2005 · Abstract We propose an approach to reconstruct any superconducting charge qubit state by using quantum state tomography. This procedure requires a series of …

Lab 2. Quantum Measurement - Qiskit

WebHere, we propose and experimentally implement a complete Bloch state tomography to directly measure eigenfunction of an optical Raman lattice for ultracold atoms. WebMeasure the Bloch sphere coordinates of a qubit using the Aer simulator and plot the vector on the Bloch sphere. 📓Step A. Create a qubit state using the circuit method, initialize with two random complex numbers as the parameter. To learn how to use the function initialize, check here. (go to the arbitrary initialization section.) lysias bordeaux

Bloch state tomography using Wilson lines - PubMed

WebJan 15, 2024 · Extracting the Quantum Geometric Tensor of an Optical Raman Lattice by Bloch State Tomography. In Hilbert space, the geometry of the quantum state is … WebDec 2, 2024 · Bloch state tomography finally reveals additional differences in the defect trajectories for sudden quenches. While the Dirac transition permits a static trajectory under specific initial conditions, we find that the underlying nodal loop leads to complex time-dependent trajectories in general. WebSo, to find the state's Bloch vector, just perform each Pauli measurements many times to find the respective expectation value. Finally, to retrieve the matrix representation of ρ, simply recall that I = ( 1 0 0 1), σ x = ( 0 1 1 0) σ y = ( 0 − i i 0) σ z = ( 1 0 0 − 1), and so ρ = 1 2 ( 1 + z x − i y x + i y 1 − z). kismyft2-twoasone0817